Home / 8,471.93-11,690.95-4,887.04

Finding the Fourth Proportional to 8,471.93, 11,690.95 and 4,887.04

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Solution

The fourth proportional to 8,471.93, 11,690.95 and 4,887.04 is: 6,743.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,471.93 : 11,690.95 = 4,887.04 : x
  2. Step 2: Convert to fraction form
    8,471.93/11,690.95 = 4,887.04/x
  3. Step 3: Cross multiply
    8,471.93x = 11,690.95 × 4,887.04
  4. Step 4: Simplify right side
    8,471.93x = 57,134,098.84
  5. Step 5: Solve for x
    x = 57,134,098.84/8,471.93
  6. Step 6: Final answer
    x = 6,743.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.